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24 October, 18:02

What is the greatest common factor of 90 and 135?

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  1. 24 October, 21:22
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    Answer: Find the prime factorization of 90

    90 = 2 * 3 * 3 * 5

    Find the prime factorization of 135

    135 = 3 * 3 * 3 * 5

    To find the gcf, multiply all the prime factors common to both numbers:

    Therefore, GCF = 3 * 3 * 5

    GCF = 45
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